int
main(void)
{
struct ds1307_t rtc_tm;
static const char infostring[] PROGMEM = "Demo - DS1307 RTC\r\n";
char buffer[BUFFER_SIZE];
uartInit(BAUDRATE);
i2cInit(I2C_STD_MODE);
sei();
ds1307Init();
ds1307SetTime(SYS_HOUR, SYS_MINS, SYS_SECS);
ds1307SetDate(SYS_DAY, SYS_MONTH, SYS_YEAR);
uartPutString_P(infostring);
while (1) {
/* Read Current Time from DS1307 and output to UART */
ds1307GetTime(&rtc_tm);
sprintf(buffer, "RTC: [%02d:%02d:%02d] - [%02d.%02d.%02d]\r\n",
rtc_tm.hours, rtc_tm.minutes, rtc_tm.seconds, rtc_tm.day,
rtc_tm.month, rtc_tm.year);
uartPutString(buffer);
_delay_ms(1000);
}
/* never reached */
return (0);
}
void rtcSetTime(time_t time)
{
tmElements_t el;
timeBreak(time, &el);
ds1307SetSeconds(el.Second);
ds1307SetMinutes(el.Minute);
ds1307SetHours(el.Hour);
ds1307SetDate(el.Day);
ds1307SetMonth(el.Month);
ds1307SetYear(el.Year - 30);
timeSetTime(time);
}
